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KOWA KABUSHIKI KAISHA

Overview
  • Total Patents
    24
About

KOWA KABUSHIKI KAISHA has a total of 24 patent applications. Its first patent ever was published in 2000. It filed its patents most often in WIPO (World Intellectual Property Organization), EPO (European Patent Office) and China. Its main competitors in its focus markets medical technology, optics and measurement are CRESTOPTICS S P A, LI XINGDE and MAUNA KEA TECHNOLOGIES.

Patent filings per year

Chart showing KOWA KABUSHIKI KAISHAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Suzuki Takayoshi 8
#2 Niino Masao 6
#3 Goto Yoshihide 6
#4 Iiyama Shiroh 4
#5 Imamura Hiroki 3
#6 Nagayama Hiroki 3
#7 Tominaga Shuichi 3
#8 Takayoshi Suzuki 3
#9 Kobayashi Koji 3
#10 Shirasawa Yoshiaki 2

Latest patents

Publication Filing date Title
EP2081024A1 Apparatus for gelation measurement and sample cell
WO2007013383A1 Ophthalmologic photographing device
CN101208038A Ophthalmologic photographing apparatus
EP1621913A1 Digital camera-equipped ground telescope
EP1317900A1 To-be-tested eye photographing device